charts
diff --git a/charts.py b/charts.py
new file mode 100644
index 0000000..d8fb73d
--- /dev/null
+++ b/charts.py
@@ -0,0 +1,85 @@
+from GChartWrapper import VerticalBarGroup
+from GChartWrapper import Line
+from GChartWrapper import constants
+
+
+COLORS = ["red", "orange", "yellow", "green", "blue", "indigo", "violet"]
+constants.MARKERS += 'E' # append E marker to available markers
+
+
+def render_vertical_bar(title, legend, dataset, width=700, height=400, scale_x=None,
+ scale_y=None):
+ """
+ Renders vertical bar group chart
+
+ :param legend - list of legend values.
+ Example: ['bar1', 'bar2', 'bar3']
+ :param dataset - list of values for each type (value, deviation)
+ Example:
+ [
+ [(10,(9,11)), (11, (3,12)), (10,(9,11))], # bar1 values
+ [(30,(29,33)),(35,(33,36)), (30,(29,33))], # bar2 values
+ [(20,(19,21)),(20,(13, 24)), (20,(19,21))] # bar 3 values
+ ]
+ :param width - width of chart
+ :param height - height of chart
+ :param scale_x - x ace scale
+ :param scale_y - y ace scale
+
+ :returns url to chart
+
+ dataset example:
+ {
+ 'relese_1': {
+ 'randr': (1, 0.1),
+ 'randwr': (2, 0.2)
+ }
+ 'release_2': {
+ 'randr': (3, 0.3),
+ 'randwr': (4, 0.4)
+ }
+ }
+ """
+ bar = VerticalBarGroup([], encoding='text')
+ bar.title(title)
+
+ values = []
+ deviations = []
+
+ for d in dataset:
+ val, dev = zip(*d)
+
+ display_dev = []
+ for i in range(len(val)):
+ display_dev.append((val[i]-dev[i], val[i]+dev[i]))
+ values.append(val)
+ # deviations.extend(zip(*dev))
+ deviations.extend(zip(*display_dev))
+
+ bar.dataset(values + deviations, series=len(values))
+
+ bar.axes.type('xy')
+ if scale_x:
+ bar.axes.label(0, *scale_x)
+ scale_y = scale_y or range(int(max([max(l) for l in values]) + 2))
+ bar.axes.range(1, *scale_y)
+
+ bar.bar('r', '.1', '1')
+ for i in range(len(legend)):
+ bar.marker('E', '000000', '%s:%s' % ((len(values) + i*2), i),
+ '', '1:10')
+ bar.legend(*legend)
+ bar.color(*COLORS[:len(values)])
+ bar.size(width, height)
+
+ return str(bar)
+
+
+def render_lines():
+ line = Line([])
+ line.dataset([[1,2,3], [3,2,1], [5,6,7]])
+ scale_y = range(int(max([max(l) for l in
+ [[1,2,3], [3,2,1], [5,6,7]]]) + 2))
+ line.axes.range(1, *scale_y)
+ # G.legend('Animals','Vegetables','Minerals')
+ # G.axes('y')